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re: the pond filter question above, I see the ridiculousness of prices in the realm of anything labeled "FOR A POND" has not abated in the 10 yrs since I built mine.

Your problem is the depth: 8 in is simply way too shallow for almost any of the items on that page you linked to. I have the Tetra model shown in the very bottom left and IT'S too tall--around 12 in, I'm guessing looking at it out the window where it sits in the not-currently-in-use-but-not-broken-so-can't-throw-away pile--for your setup.

What I use now is this. The "filter" aspect if it is the little sponge over the intake; if your pond is very gunky you pop the cover off, rinse the sponge, pop it back in, the cover on, and you're set for another 1-2 weeks. Attach some flex pipe 3/4 in over the top outlet and run it out as you desire, so that th water spashes back into the pond. Aeration is provided, pleasant splashing sounds likewise, and the water is kept circulating to whatever degree your length of pipe allows.

The filter is only about 5 in. high but with the output hose it would probably stick out above the waterline in an unattractive manner. Solution: lay the pump over on its side. It doesn't care. If you have some rocks lying around you can make a nice little waterfall, set the pipe end back enough it can't be seen and the water appears to be flowing out of the rocks. Or you can just put the rock on the end of the pipe sitting on the edge of the pond wall to keep it from being knocked over by animals or flipping around from water pressure.

I got the 2300 size because the 1800 was on backorder everywhere I looked. But the price isn't that much difference and I am quite happy with the results on this one. Recommended heartily.

There's no way you can rehome 1000 fish a year unless you use them as feeders or something. But don't worry they will self regulate a bit in the form of eating the fry if there's a lot of fish and not much food or simply not spawning if the water is bad. For a filter, just make your own. Get some activated carbon or bioballs and a pump and some netting and a container and that's that. You can take the pump out of a pool kit (likely find one at goodwill cheap). But if possible I'd really dig it a bit deeper.

Sorry about not responding to you XanAvaloni. Didn't see your post as I posted mine. Was running out the door at the time. Anyways, That's a good idea. I think I'll get that. We have a waterfall setup right now, so the new filter will continue that job. Thanks again for the idea! Also, I think my goldfish may not have had babies yet, but if they have, they ate the babies or we have never seen them, so I won't worry to much about that unless it gets out of control. If it does, back in one of our forests, we own a 100,000g pond with only goldfish, carp, and koi our family and relatives put in there because they couldn't keep them anymore. It's a pretty steady colony in it. Finally, we can't dig it any deeper because the septic system is underneath, and we don't feel like moving the pond anytime soon!